# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
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"""Tests to ensure the **kwargs authentication regression doesn't reappear."""

import importlib
import inspect
import pkgutil

import cxas_scrapi.core
from cxas_scrapi.core.common import Common


def test_core_classes_accept_kwargs() -> None:
    """
    Dynamically ensures all core API wrapper classes inheriting from Common
    accept **kwargs so that credentials and routing variables can be safely
    passed down the inheritance chain.
    """
    package = cxas_scrapi.core
    missing_kwargs_classes = []

    for _, module_name, _ in pkgutil.iter_modules(package.__path__):
        full_module_name = f"{package.__name__}.{module_name}"
        module = importlib.import_module(full_module_name)

        for _name, obj in inspect.getmembers(module):
            # Check if it is a class and inherits from Common
            if inspect.isclass(obj) and issubclass(obj, Common):
                # Ignore the base Common class itself since it natively
                # implements kwargs
                if obj is Common:
                    continue

                # Guarantee it's a class defined specifically in this module
                if obj.__module__ == full_module_name:
                    sig = inspect.signature(obj.__init__)
                    has_kwargs = any(
                        param.kind == inspect.Parameter.VAR_KEYWORD
                        for param in sig.parameters.values()
                    )
                    if not has_kwargs:
                        missing_kwargs_classes.append(
                            f"{full_module_name}.{obj.__name__}"
                        )

    assert not missing_kwargs_classes, (
        "The following core wrapper classes are missing **kwargs in their "
        "__init__ "
        f"signature, which breaks creds inheritance: {missing_kwargs_classes}"
    )